Heater Control Device Alternating Heat Generation Segmentation
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Solution Overview
Problem
Existing electric heater systems face challenges in maximizing heat radiation while preventing overcurrent situations, which can lead to inefficiencies and potential damage.
Innovation Solution
A heater control device that includes a current determination unit and an energization control unit, which alternately switches heat generating portions on and off to manage current levels, ensuring they do not exceed a predetermined limit, thereby optimizing heat radiation while preventing overcurrent.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If all heat generating portions are energized simultaneously, then heat radiation is maximized, but overcurrent situation occurs
Solution Approach 1:
The control device divides the plurality of heat generating portions into multiple groups and controls them to operate in alternating intervals. This segmentation allows the system to energize different groups at different times, preventing simultaneous energization of all portions and thus avoiding overcurrent situations while still achieving effective heat radiation through cumulative operation of all segments.
Solution Approach 2:
The control device implements periodic action by energizing different groups of heat generating portions in alternating intervals rather than continuously or simultaneously. This periodic energization pattern ensures that current consumption remains within safe limits while maintaining effective heat output through the cumulative effect of periodic heating cycles.
2Reliability
If heat generating portions are switched on and off alternately, then current levels are controlled, but heat radiation efficiency may be reduced
Solution Approach 1:
By dividing heat generating portions into multiple groups that operate in alternating intervals, the system maintains current levels within safe limits while ensuring that all portions contribute to heat radiation over time. The segmented approach prevents any single group from being continuously energized, thus controlling current while distributing heat generation across all segments.
Solution Approach 2:
The control device ensures continuity of useful action by arranging for different groups of heat generating portions to operate in alternating intervals, so that heat generation continues without interruption from the system as a whole. While individual groups are switched off to control current, other groups remain active, maintaining continuous heat radiation and preventing loss of productivity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution effectively increases heat radiation while maintaining current levels within safe limits, enhancing the performance and reliability of electric heater systems.
Implementation Method 1
an electric heater which includes a plurality of heat generating portions that generate heat when energized
Data Source
AI summary
A heater control device controls an electric heater which includes a plurality of heat generating portions. The heater control device determines whether a total energization current value, which is a current value to be supplied to the electric heater when all of the plurality of heat generating portions are energizable, exceeds a predetermined current limit value. The heater control device is configured to, when it is determined that the total energization current value exceeds the current limit value, energize the electric heater while switching, among any or all of the plurality of heat generating portions, those to be turned to a non-energizable off state.